16+28+39= 6×5+6= 17+28= 6 × 7= 8 × 7= 35+ 19= 47—28=

7 1—50= 30-6= 72-8= 30+43= 45+ 15=

5 × 6= 68+9= 50-3 1= 5 × 7= 1 × 1=

7 × 8+5= 2 × 4 × 6= 4 ×(25- 19)=

3 × 4-6= 52-(8+9)= 6 × 8+ 19=

42÷7 = 8 1÷9 = 32÷4 = 7×9 = 25÷5 = 55+36 = 72÷8 = 8×5 = = 2 1÷6= 4÷4= 18÷3 = 5×9= 16÷2 = 59÷7 = 13+24- 1 0 = 9÷3+3 7×8-8 = 4×5+ 10 = 65-27- 12=

3×6= 6÷2= 5÷5= 12÷4=

18-6= 1× 1= 16÷4= 9÷3=

20-5= 15-3= 30÷6= 12+4=

3÷3= 4÷2= 6×2= 20÷4=

8÷4= 6÷3= 4×6= 2÷2=

3×8= 45÷5= 18÷3= 2 1÷7=

2×8= 6×9= 36÷4= 7×8=

5×4= 42-6=

3 1+47= 720÷6= 900×5 = 46- 18= 380+530= 680÷4=

16×6= 7 10-420= 8 10-490=

80÷5= 120×7= 340+270=

700-5×6= 420÷2×3= (74+26)×4=

100×2+3= 700-400+200= 180÷(3×3)=

1. The school dance team selects members in all grades. 1 Grade 9, Grade 2 18 and Grade 3/36. How many times is sophomore year more than freshman year?

(2) How many times the number of students in Grade Three is that in Grade One?

2. The dance team selects members at all grades. Eight people were selected in Grade One, and the number of students in Grade Two was three times that of Grade One. How many people did you choose in Grade Two?

When Xiaoming was born, his father was 30 years old. How old was Xiaoming's father when he was 6 years old?

4. Cars are allowed to take five people, and vans are allowed to take six times as many people as cars. How many people are allowed to carry big bread?

Mixed application of multiplication and division method

1. Six matches can form a hexagon. There are four hexagons. How many triangles can these matches make?

6 matches can form a hexagon. There are four such hexagons. How many squares can you put?

3. Divide Class 2 (9 people in each group) into 3 groups. How many people are in each group now?

Class two (2) is organized into three teams, each with eight people. When we go to play, we will work in groups of four. How many groups can Class Two (2) form?

5. Four baskets of apples, nine in each basket, divided into six groups. How many apples should each group get?

Improved version of mixed application problem of multiplication and division (1)

Uncle Gong originally planned to process 30 parts in 6 hours, but actually processed 6 parts per hour. How many hours can you actually finish the task?

There is a pile of coal. If you ship 2 tons at a time, you can ship them all in 8 times. If it is shipped in four batches, how many tons will it take each time?

An engineering team dug a tunnel, originally planned to dig 3 meters a day, and it took 8 days to complete. The result was completed 2 days ahead of schedule. How many meters are actually dug every day?

School spring outing to rent seven cruise ships, has rented five, * * * is going to 30 yuan. How much more will it cost?

Xiao Wang and Xiao Zhang process the same number of parts. Xiao Wang processes five parts per hour and finishes it in six hours. Xiao Zhang processes 6 pieces per hour. How many hours will it take to complete?

A hosiery machine can knit 40 pairs of socks in 5 hours. How many pairs of socks can you knit in three hours?

The fruit shop brought 24 kilograms of apples, four times as many as bananas. How many kilograms of bananas did it bring?

A cow plows for 3 hours in the morning, and the cultivated land is 2 1 square meter. According to this calculation, if we plow for 4 hours in the afternoon, how many square meters of arable land will there be in this field?

The watch factory wants to produce a batch of watches. It was originally planned to produce six watches a day and finish them in six days. Actually finished 2 days ahead of schedule, how much is actually produced every day?

Sporting goods factory originally planned to produce 5 shuttlecocks per hour and complete the task in 7 hours, but actually produced 2 more shuttlecocks than originally planned, and how many hours did it take to complete the task?

Improved version of mixed application problems of multiplication and division (2)

Three pieces of paper can make 15 flowers. How many flowers can six pieces of paper make?

12 yuan can buy four pens, and how many can 24 yuan buy?

Sporting goods factory originally planned to produce 8 shuttlecocks per hour and complete the task in 5 hours, but actually produced 2 more shuttlecocks than originally planned, and how many hours did it take to complete the task?

The highway from the factory to the seaport is 12km long. It takes three hours for a car to transport goods from the factory to the harbor, and it takes two kilometers per hour to return. How many hours did it take to get back to the factory?

A tractor plows for 3 hours in the morning, and the cultivated land 1050 square meters. According to this calculation, if you plow for 4 hours in the afternoon, how many square meters of farmland will this tractor plow a day?

Mother bought four kinds of books, four of each kind. How many copies did Yi buy? Divide red and Gaga equally. How many copies does everyone have?

There are 23 boys and 22 girls in the class (1). There are 5 students in a group. How many groups can the whole class be divided into?

The rabbit planted six rows of cabbages with eight trees in each row. It's for grandma rabbit 16. How much cabbage is left in the rabbit?

There are 9 chickens in Xiaolin's family, and the number of ducks is three times that of chickens. How many ducks are there? How many chickens and ducks are there?

A tractor plows for 3 hours in the morning, and the cultivated land 1050 square meters. According to this calculation, if you plow for 4 hours in the afternoon, how many square meters of farmland will this tractor plow a day?

There used to be 27 fruits in a bag, but now 15. How much can each child get if it is divided equally among three children?

There are 12 apples, 8 pears and 4 peaches in the fruit shop.

(1) The number of apples is twice that of peaches. Column type

(2) Eight pears are put in one plate every two on average, and one plate is needed. Column type

1. Saw a piece of wood into 8 sections, each time it takes 5 minutes. How many minutes will it take to finish sawing this piece of wood?

Xiao Xin keeps a flock of chickens. Last month, she laid 18 Jin of eggs. This month, she laid 19 Jin of eggs. How many Jin of eggs did she lay in February? I sold 25 kilograms in the market. How many kilograms are left?

The school bought four badminton and three table tennis, each badminton 2 yuan, each table tennis 1 yuan. How much did it cost?

Eight students ate 16 oranges at the June 1st party. How many oranges did each student eat on average? They each ate 1 apple. How much fruit did everyone eat?

There are 40 skipping ropes in the school, 12 is borrowed. How much is left? Lend the rest to four classes. How many pieces do you borrow per class on average?

Boys in Class 1, Grade 3 do 14 good deeds, while girls do 16 good deeds. How many good deeds does the whole class do? There are six groups in the class. How many good deeds did each group do on average?

There are 24 red chrysanthemums and 15 Huang Juhua in the garden. There are as many purple chrysanthemums as there are red chrysanthemums. How many kinds of chrysanthemums are there?

There are 48 apples in one basket and pears in the other. After taking out 20 pears from the pear basket, there are 5 more pears than apples. How many pears are there in the pear basket?

Teacher Zhang has 30 pieces of fruit candy and some milk candy. After giving the child 12 toffee, the toffee is 8 less than the fruit candy. How many pieces of toffee are there?

Cut a rope into four sections. The first three sections are 2 meters long, which is exactly half the length of the original rope. How long is this rope?

A plate of loquat is 22 16 more than a plate of peach. How many peaches are there in the three plates?

A barrel of oil weighs 19 kg. Half-eaten oil, barrel weight 1 1 kg. How many kilograms of oil did you eat? How many kilograms of oil are there in the oil drum?

Four operational application problems (2)

1. There are 44 white rabbits and 20 black rabbits on the farm, and there are as many gray rabbits as black rabbits. How many rabbits are kept on the farm?

There are three iron wires, the first one is15m long, the second one is 24m long, and the third one is as long as the sum of the first two. How long are these three wires?

After school, there are 15 people standing in front of Niu Niu and 7 people standing behind. How many people are there in Class Two (3)?

It costs 28 yuan money to buy a pen, and a ballpoint pen is cheaper than a pen. 9 yuan. How much does it cost to buy a pen and a ballpoint pen?

5. There are two ropes, one is 14m long and the other is 15m long. How long are these two ropes?

6. There are 48 apples in one basket and pears in the other. After taking out 20 pears from the pear basket, there are 5 more pears than apples. How many pears are there in the pear basket?

There are 23 boys and 22 girls in Class Two (1). There are 5 students in a group. How many groups can the whole class be divided into?

8. Teacher Zhang has 30 pieces of fruit candy and some milk candy. After giving the child 12 toffee, the toffee is 8 less than the fruit candy. How many pieces of toffee are there?

9. There are 20 bags of flour and 35 bags of rice in the canteen. I ate some rice, which is more than flour 10 bag. How many bags of rice did you eat?

10, Xiaohua wrote big characters for five days, except for six on the last day, the rest wrote three every day. How many big characters did Xiaohua write?

1 1. Cut a rope into four sections. The first three sections are 2 meters long, which is exactly half the length of the original rope. How long is this rope?

12, a piece of cloth is 20 meters long, cut 2 meters at a time, cut 6 times, how many meters are left?

13. A plate of 22 loquats is more than a plate of peaches 16. How many peaches are there in the three plates of peaches?

14. Weight of a barrel of oil 19 kg. Half-eaten oil, barrel weight 1 1 kg. How many kilograms of oil did you eat? How many kilograms of oil are there in the oil drum?

15, Li Nainai bought oranges in a 1kg carton. After loading a box of oranges, it weighs * * * 13 kg. Later, Aunt Zhang asked Li Nainai to give her half of the oranges she bought. How many kilograms should Li Nainai give Aunt Zhang?

16. The barrel full of water weighs 20 kilograms. Half of the water is used, and the weight of the bucket is 1 1kg. How many kilograms of water was used? How much does this bucket weigh?

17, the bus and the car leave together. The bus travels 35 kilometers per hour and the car travels 40 kilometers per hour. How many kilometers does the car travel more than the bus after 4 hours?

18, a cyclist starts from a town to a village at a speed of 10 km/h; At the same time, another man walked from the village to the town at a speed of 5 kilometers per hour. 1 hour later, they met. Who is farther away from the town at this time, the cyclist rather than the pedestrian?

19, a tractor plows 24 hectares in 3 hours. At this rate, if we plant 1 hour, how many hectares can a * * * plant?

20. A math contest was held in a primary school. The test paper * * * contains 65,438+00 questions. Every time he does a problem, he gets 10. If he did a wrong question, he got 4 points. Xiaoming got 72 points in the exam. How many questions did he make wrong?

2 1 .36 birds are parked on three trees. If six birds fly from the first tree to the second tree and four birds fly from the second tree to the third tree, then the number of birds on the three trees is equal. How many birds are parked on each tree?

22. There is a plant that grows twice as tall every day, from 20 days to 20 centimeters. How many days does it take to grow to 5 cm?

two

Four operational application problems (2)

1(A) Xiaohua buys 10 pencils, and Xiaoming buys 14 the same pencils. Xiao Ming pays more than Xiao Hua 1.6 points. What's the price of each pencil?

2(A) Mom went to the fruit shop and bought 5 kilograms of apples and 3 kilograms of pears. The unit price of apples and pears is the same, but mother spends more money on apples than pears. Excuse me, 8 yuan, what is the unit price of apples and pears?

3(B) Machining parts with Master Wang. Each of them produces 65,438+05 parts per hour, while Master Wang produces 4 hours and Li Shifu produces 7 hours. How many more parts does Li Shifu produce than Master Wang?

4.3 pieces of paper can make 15 flowers. How many flowers can six pieces of paper make?

5. There were 18 apples, and three were eaten. How many plates can you put for every five apples left?